201343440453 has 32 divisors (see below), whose sum is σ = 280306569600. Its totient is φ = 128396088576.

The previous prime is 201343440451. The next prime is 201343440497. The reversal of 201343440453 is 354044343102.

It is not a de Polignac number, because 201343440453 - 2¹ = 201343440451 is a prime.

It is a super-3 number, since 3×201343440453³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201343440451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4472983 + ... + 4517771.

It is an arithmetic number, because the mean of its divisors is an integer number (8759580300).

Almost surely, 2^201343440453 is an apocalyptic number.

It is an amenable number.

201343440453 is a deficient number, since it is larger than the sum of its proper divisors (78963129147).

201343440453 is a wasteful number, since it uses less digits than its factorization.

201343440453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45301.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 201343440453 its reverse (354044343102), we get a palindrome (555387783555).

The spelling of 201343440453 in words is "two hundred one billion, three hundred forty-three million, four hundred forty thousand, four hundred fifty-three".